var exp_match = /((https?|)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/%=~_|])/ig;
var element_content=content.replace(exp_match, "<a href='$1'>$1</a>");
var new_exp_match =/(^|[^/])(www.[S]+(|$))/gim;
var new_content=element_content.replace(new_exp_match, '$1<a target="_blank" href="http://$2">$2</a>');